/**
 * Grid container
 */
#main {
    margin-top: 9em;
}

#tiles {
    list-style-type: none;
    position: relative; /** Needed to ensure items are laid out relative to this container **/
    margin: 0;
    padding: 0;
}

    #tiles li:hover img {
        opacity: 0.8;
    }
    /**
 * Grid items
 */
    #tiles li {
        width: 610px;
        background-color: #ffffff;
        border: 1px solid #dedede;
        border-radius: 2px;
        -moz-border-radius: 2px;
        -webkit-border-radius: 2px;
        display: none;
        cursor: pointer;
        border-radius: 0.2em;
        margin: 40px auto;
    }

        #tiles li img {
            border-top-left-radius: 0.2em;
            border-top-right-radius: 0.2em;
        }

        #tiles li.inactive {
            visibility: hidden;
            opacity: 0;
        }

        #tiles li img {
            display: block;
            width: 100%;
        }

/**
 * Grid item text
 */

footer {
    text-align: center;
}

    footer a {
        color: #435DC5;
        text-decoration: none;
    }

/**
 * Progress bar for imagesLoaded
 */
.progress-bar {
    background-color: #0BC20B;
    height: 2px;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    width: 0;
    box-shadow: 0 1px 3px rgba(11, 194, 11, 0.2);
    -webkit-transition: width 0.3s ease-out;
    -moz-transition: width 0.3s ease-out;
    -o-transition: width 0.3s ease-out;
    transition: width 0.3s ease-out;
}

/**
 * Placerholder css
 */
.wookmark-placeholder {
    border-radius: 2px;
    -moz-border-radius: 2px;
    -webkit-border-radius: 2px;
    background-color: #eee;
    border: 1px solid #dedede;
    z-index: -1;
}

.example-tiles {
    position: relative; /** Needed to ensure items are laid out relative to this container **/
    margin: 0;
    padding: 0;
}

    .example-tiles li {
        display: block;
        list-style-type: none;
        float: left;
        margin: 5px;
        -webkit-transition: all 0.3s ease-out;
        -moz-transition: all 0.3s ease-out;
        -o-transition: all 0.3s ease-out;
        transition: all 0.3s ease-out;
    }

    .example-tiles a,
    .example-tiles a:hover {
        color: #555;
        background-color: #eee;
        text-align: center;
        display: table-cell;
        vertical-align: middle;
        width: 200px;
        height: 200px;
        font-size: 2em;
        font-weight: bold;
        text-decoration: none;
        border: 1px solid #ddd;
        box-shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
        padding: 5px 8px;
        border-radius: 3px;
    }

        .example-tiles a:hover {
            background-color: #ddd;
        }
/*--media Quries for 640px-monitors-*/
@media only screen and (max-width:640px) and (min-width:480px) {
    #main {
        margin-top: 7em;
    }
}
/*--media Quries for 480px-monitors-*/
@media only screen and (max-width:480px) and (min-width:320px) {
    #main {
        margin-top: 9.5em;
    }
}
/*--media Quries for 320px-monitors-*/
@media only screen and (max-width:320px) and (min-width:240px) {
    #main {
        margin-top: 9em;
    }

    #tiles li {
        width: 266px;
    }
}
